<template>
  <div class="icons">
    <swiper>
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class='icon-img'>
            <img class='icon-img-content' :src='item.imgUrl' />
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  data () {
    return {
      iconList: [{
        id: '0001',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/54/ace00878a52d9702.png',
        desc: '景点门票'
      }, {
        id: '0002',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1711/df/86cbcfc533330d02.png',
        desc: '滑雪季'
      }, {
        id: '0003',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1710/a6/83f636bd75ae6302.png',
        desc: '泡温泉'
      }, {
        id: '0004',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/35/2640cab202c41b02.png',
        desc: '动植园'
      }, {
        id: '0005',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/35/2640cab202c41b02.png',
        desc: '动植园'
      }, {
        id: '0006',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1711/df/86cbcfc533330d02.png',
        desc: '滑雪季'
      }, {
        id: '0007',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1710/a6/83f636bd75ae6302.png',
        desc: '泡温泉'
      }, {
        id: '0008',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/35/2640cab202c41b02.png',
        desc: '动植园'
      }, {
        id: '0009',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/a9/ffc620dbda9b9c02.png',
        desc: '一日游'
      }, {
        id: '0010',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1710/a6/83f636bd75ae6302.png',
        desc: '泡温泉'
      }]
    }
  },
  computed: {
    pages () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
@import '~@/assets/styles/varibles.styl'
@import '~@/assets/styles/mixins.styl'
  .icons >>> .swiper-container
    overflow hidden
    height: 0
    padding-bottom: 50%
  .icon
    position: relative
    float: left
    width: 25%
    height: 0
    padding-bottom: 25%
    .icon-img
      position: absolute
      top: 0
      left: 0
      right: 0
      bottom: .44rem
      box-sizing: border-box
      padding: .1rem
      .icon-img-content
        display: block
        margin: 0 auto
        height: 100%
    .icon-desc
      position: absolute
      left: 0
      right: 0
      bottom: 0
      height: .44rem
      line-height: .44rem
      text-align: center
      color: $darkTextColor
      ellipsis()
</style>
